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Gelation of aqueous gelatin solutions. II. Rheology of the sol-gel transition

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Djabourov, Madeleine, Leblond, Jacques, Papon, Pierre·1988·Journal de Physique

Abstract

We have studied the rheological behaviour of aqueous gelatin solutions during the gelation process at several temperatures. The linear viscoelastic regim was investigated by dynamical measurements in the frequency range 0.01 Hz to 1.5 Hz, using a Weissenberg rheogoniometer. The relation between the shear moduli and the helix amount at several temperatures puts into evidence that this structural parameter pilots the gelation process. Analysing the rheological data, we propose a method of deriving the gel point, which could be used for other systems. Finally we show that gelatin gelation can be interpreted within the framework proposed by de Gennes and Stauffer of the percolation theory. The exponents for the static viscosity and the relaxed shear modulus are in agreement with the 3d predictions.

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Metadata

Authors
Djabourov, M., Leblond, J., & Papon, P.
Venue
Journal de Physique
Publisher
EDP Sciences
Published
1988
Volume
49
Issue
2
Pages
333-343
ISSN
0302-0738 (ISSN-L)
OpenAlex
W2004223236
Cited by
273
References
0
FWCI
9.47
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Gelation of aqueous gelatin solutions. II. Rheology of the sol-gel transition. https://app.cochat.ai/papers/10.1051/jphys:01988004902033300
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Djabourov, M., Leblond, J., & Papon, P. (1988). Gelation of aqueous gelatin solutions. II. Rheology of the sol-gel transition. Journal de Physique. https://doi.org/10.1051/jphys%3A01988004902033300

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.